# Start with users that need to be verified,
# and an empty list to hold confirmed users.

unconfirmed_users = ['alice','brian','candance']
confirmed_users = []

while unconfirmed_users: 
    current_user = unconfirmed_users.pop()

    print("Verifying user: "+ current_user.title())
    confirmed_users.append(current_user)
print("\nThe following users have been confirmed: ")

for confirmed_user in confirmed_users:
    print(confirmed_user.title())